Question

which function in the string library can be used to combine two strings?

strcmp

strlen

strcat

combine

none

Answer 1

• string library function strcat is used to combine two strings

Program:

#include <stdio.h>
#include <string.h>
int main() {
  
char str1[25] = "Hello ";
char str2[] = "American";
printf(" string 1 : %s ",str1);
printf("\n string 2 : %s ",str2);
strcat(str1, str2); // concatenates str1 and str2 // the resultant string is stored in str1.
printf(" \n combine string : %s ",str1);
return 0;
}

Output:

----------------------------------------------

string 1 : Hello
string 2 : American
combine string : Hello American

-------------------------------------------------

Run Debug Stop Share Save {}Beautify Language C main.c *********** ************** 1 2 3 Online C Compiler. 4 Code, Compile, Run and Debug C program online. 5 Write your code in this editor and press "Run" button to compile and execute it. 6 7 **********/ 8 9 #include <stdio.h> 10 #include <string.h> 11. int main() { 12 13 char str1[25] = "Hello "; 14 char str2[] "American"; 15 printf(" string 1 : %s ", str1); 16 printf("\n string 2 : %s ", str2); 17 strcat(str1, str2); // concatenates strl and str2 // the resultant string is stored in stri. 18 printf(" \n combine string : %s ", str1); 19 return 0; 20 } input string 1 : Hello string 2 : American combine string : Hello American -.. Program finished with exit code 0 Press ENTER to exit console. I